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Impatience 특성을 고려한 군 긴급정비시스템 정비인력 최적할당 연구
김성우,Kim, Sungwoo 한국군사과학기술학회 2021 한국군사과학기술학회지 Vol.24 No.4
Impatience characteristics are an important factor to be considered in the defense field, which is sensitive to time, but there are not many cases applied. In addition, due to the difficulty of analysis that must consider various probabilistic factors (breakdown/maintenance distribution, impatience characteristics, etc.), military decision makers consider only simple data (number of occurrences per year, maintenance time, etc.) Therefore, in this study, a model capable of analyzing the performance of the emergency maintenance system for determining the appropriate size and organization of military and civilian maintenance personnel was presented in consideration of impatience characteristics and probabilistic factors. And through numerical analysis, the appropriate size of the military and civilian emergency maintenance teams was analyzed. This study is significant in that it can improve readiness of operational power and prevent waste of defense budget through efficient operation of the military's emergency maintenance system.
창업·취업교육이 대학생의 창업·취업의도 영향요인에 미치는 효과
김성우,강민형,Kim, Sungwoo,Kang, Minhyung 한국공학교육학회 2016 공학교육연구 Vol.19 No.4
This paper explores antecedents of entrepreneurial and job search intentions based on the theory of planned behavior. Additionally, it examines the impact of entrepreneurship and job search education on these antecedents of entrepreneurial and job search intentions. The research model has been validated by analyzing 1,432 responses from undergraduate students in South Korea. The results of analysis provide several findings: First, entrepreneurship attitude, entrepreneurship subjective norm, and entrepreneurship self efficacy showed significant positive effects on entrepreneurial intention, but their effects on job search intention were insignificant. Second, while job search attitude showed significant positive effects on both intentions, job search subjective norm showed a significant effect only on job search intention, and job search self efficacy showed a significant effect only on entrepreneurial intention. Third, entrepreneurship education increased all the antecedents of entrepreneurial intention, and reduced job search attitude. These results imply that entrepreneurship and job search education should be managed comprehensively, considering their cross-effects on the antecedents of entrepreneurial and job search intentions.
인공지능기술 활용 대화형 영어 학습 앱을 적용한 초등영어 말하기 수업 분석 : 학습자 몰입 및 수업에 대한 학생과 교사의 인식을 중심으로
김성우(Kim, Sungwoo),이삭(Lee, Sak) 한국초등영어교육학회 2020 초등영어교육 Vol.26 No.3
Developments in artificial intelligence such as natural language processing (NLP) and automatic speech recognition (ASR) are making it a viable option to incorporate AI-powered language learning applications into the classroom. Researchers and practitioners have started to experiment with a variety of speech technology for pedagogical use. However, little research has explored the benefits and limitations of applying the AI-based language applications to primary school English education settings. In this context, this research investigates students’ use of an artificial intelligence English conversational application with a specific focus on their engagement patterns. It also analyzes teachers’ and students’ perceptions of using the new technology in the classroom. Results suggest that the AI-enabled conversational application has potentials to enhance students’ engagement and extend their speaking time by boosting their curiosity, creating a sense of interacting with a human-like partner, and encouraging an active use of computer vision technology embedded in the application. To fully realize its pedagogical values, its limitations need to be addressed by improving the app features, tailoring its functionality to the students’ proficiency levels, and carefully integrating the application within the overall structure of the lesson.
직업훈련생의 진로정서조절, 결과기대, 진로통찰력에 대한 구조모형 분석
김성우 ( Sungwoo Kim ),안윤정 ( Yoonjung An ) 사단법인 아시아문화학술원 2021 인문사회 21 Vol.12 No.1
본 연구는 직업훈련생의 진로통찰력, 진로정서조절과 결과기대 간의 구조적인 관계를 분석하고자 하였다. 이를 위해 경기도 5개 직업훈련기관 훈련생 542명을 대상으로 설문지를 이용하여 자료를 수집하고 구조모형분석을 시행하였다. 연구 결과 첫째, 연령에 따라 진로정서조절의 진로주의집중 및 실천과 회피, 진로통찰력, 결과기대 등에 유의한 차이가 검증되었다. 둘째, 진로정서조절 하위변인과 진로통찰력, 결과기대 간에 상관관계가 확인되었다. 셋째, 진로정서조절 중 인지적 수용과 자기명료화가 진로통찰력에, 인지적 수용이 결과기대에 유의한 정적 영향을 보여주었다. 넷째 직업훈련생의 진로정서조절, 진로통찰력, 결과기대 간의 구조모형은 변인 간 구조관계를 예측하기에 적합한 것으로 드러났다. 본 연구를 통해 해당 직종의 직업훈련뿐만 아니라 관련 직업상담과 프로그램의 개입의 필요성을 제언했다. This study aimed to analyze the structural relationship among career emotion regulation (CER) and outcome expectation, career insight of vocational trainees. To this end, 542 trainees from five vocational training institutions located in Gyonggi-do collected data and conducted a structural model analysis using questionnaires. The results of this study are as follows: First, there were significant differences in the concentration and practice of career and avoidance in CER, career insight, and outcome expectation according to age. Second, the correlation among sub-variables of CER, career insight, outcome expectation was confirmed. Third, CER showed a significant positive effect on career insight and career expectation. Fourth, the fitness of the structural model between CER, career insight, and outcome expectation of vocational trainees was found to be suitable for predicting the structural relationship between variables.
Characteristics of Emission and Fuel Economy of Fuel Additives in the Domestic Market
김성우(Kim, Sungwoo),이민호(Lee, Minho),인정민(Lee, Jeongmin),김재권(Kim, JaiGueon),정충섭(Jung, Choongsub) 한국신재생에너지학회 2010 한국신재생에너지학회 학술대회논문집 Vol.2010 No.11
In the past, drivers bought a fuel additives to treat a combustion chambers or injector nozzles for carbon or gum deposit at market. But, nowadays, as raised cost of fuel for a vehicle the consumers also start focusing on a function of fuel additives that increases fuel economy of one. Some fuel additive manufacturers and agents advertise that their goods make a car it's initial state. This paper shows data for 3 years that were acquired during test for registration of an additive in domestic. The data were sorted according to kind of vehicle, kind of fuel, test mode, CO, HC, NOx, PM, total emission, fuel economy and accumulated mileage. And than by using simple linear regression analysis changes according to accumulated mileage was displayed. Normal distribution and histogram of rate of increase and decrease were displayed. the analyzed data indicated that a fuel additive maintain and make a car the first state of one but can't make a car be batter than initial the one.
김성우(Sungwoo Kim),김성천(Sungchon Kim) 한국정보과학회 1996 한국정보과학회 학술발표논문집 Vol.23 No.1A
본 논문에서는 일반 다단계 상호 연결망에 하드웨어 복잡도가 낮은 분배기를 적용시켜 패킷들의 높은 처리율과 낮은 지연시간을 갖는 다단계 상호 연결망을 제안한다. 제안된 네트워크는 분배기를 통한 대체 경로를 제공함으로써 네트워크 상의 통신을 균일 분포에 가깝게 분포시킨다. 또한 기존의 분배기를 사용한 네트워크가 갖지 못하는 네트워크의 오류 허용을 제공한다. 시뮬레이션을 통한 성능 평가 결과, 시스템의 성능면에서 기존 네트워크에 대해 정규 처리율을 약 10% 향상되었으며 정규 지연 시간은 약 30% 감소하였다. 오류 허용 시(오류 발생 10%)에도 정규 처리율은 약 70% 로써 오류가 발생하지 않은 경우(정규 처리율 약 90%)에 비해 만족할 만한 성능을 제공하였다.